Nov 03 01:56:53.675 INFO testing bitfields-0.1.0 against beta-2018-10-30 for beta-1.31-1
Nov 03 01:56:53.675 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-7/beta-2018-10-30:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-1/beta-2018-10-30:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +beta-2018-10-30 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 03 01:56:54.029 INFO blam! 507a1dc612b96228a14bffbb69cf21a6f402284c70c34e75f645891c3b1f31b3
Nov 03 01:56:54.035 INFO running `"docker" "start" "-a" "507a1dc612b96228a14bffbb69cf21a6f402284c70c34e75f645891c3b1f31b3"`
Nov 03 01:56:55.109 INFO kablam! usermod: no changes
Nov 03 01:56:55.156 INFO kablam!    Compiling bitfields v0.1.0 (/source)
Nov 03 01:56:55.903 INFO kablam! error[E0554]: #![feature] may not be used on the beta release channel
Nov 03 01:56:55.903 INFO kablam!  --> src/lib.rs:2:1
Nov 03 01:56:55.903 INFO kablam!   |
Nov 03 01:56:55.903 INFO kablam! 2 | #![feature(try_from)]
Nov 03 01:56:55.903 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Nov 03 01:56:55.903 INFO kablam! 
Nov 03 01:56:55.903 INFO kablam! error: aborting due to previous error
Nov 03 01:56:55.903 INFO kablam! 
Nov 03 01:56:55.903 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 03 01:56:55.911 INFO kablam! error: Could not compile `bitfields`.
Nov 03 01:56:55.911 INFO kablam! 
Nov 03 01:56:55.911 INFO kablam! To learn more, run the command again with --verbose.
Nov 03 01:56:55.911 INFO kablam! su: No module specific data is present
Nov 03 01:56:56.586 INFO running `"docker" "rm" "-f" "507a1dc612b96228a14bffbb69cf21a6f402284c70c34e75f645891c3b1f31b3"`
Nov 03 01:56:56.839 INFO blam! 507a1dc612b96228a14bffbb69cf21a6f402284c70c34e75f645891c3b1f31b3
